521642760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{571}}^1$

素因数の和:939

約数の個数: 128

約数和(自身を含む): 1640770560

約数和(自身を除く): 1119127800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 331, 345, 460, 552, 571, 662, 690, 920, 993, 1142, 1324, 1380, 1655, 1713, 1986, 2284, 2648, 2760, 2855, 3310, 3426, 3972, 4568, 4965, 5710, 6620, 6852, 7613, 7944, 8565, 9930, 11420, 13133, 13240, 13704, 15226, 17130, 19860, 22839, 22840, 26266, 30452, 34260, 38065, 39399, 39720, 45678, 52532, 60904, 65665, 68520, 76130, 78798, 91356, 105064, 114195, 131330, 152260, 157596, 182712, 189001, 196995, 228390, 262660, 304520, 315192, 378002, 393990, 456780, 525320, 567003, 756004, 787980, 913560, 945005, 1134006, 1512008, 1575960, 1890010, 2268012, 2835015, 3780020, 4347023, 4536024, 5670030, 7560040, 8694046, 11340060, 13041069, 17388092, 21735115, 22680120, 26082138, 34776184, 43470230, 52164276, 65205345, 86940460, 104328552, 130410690, 173880920, 260821380, 521642760]

約数ペア:

[(1, 521642760), (2, 260821380), (3, 173880920), (4, 130410690), (5, 104328552), (6, 86940460), (8, 65205345), (10, 52164276), (12, 43470230), (15, 34776184), (20, 26082138), (23, 22680120), (24, 21735115), (30, 17388092), (40, 13041069), (46, 11340060), (60, 8694046), (69, 7560040), (92, 5670030), (115, 4536024), (120, 4347023), (138, 3780020), (184, 2835015), (230, 2268012), (276, 1890010), (331, 1575960), (345, 1512008), (460, 1134006), (552, 945005), (571, 913560), (662, 787980), (690, 756004), (920, 567003), (993, 525320), (1142, 456780), (1324, 393990), (1380, 378002), (1655, 315192), (1713, 304520), (1986, 262660), (2284, 228390), (2648, 196995), (2760, 189001), (2855, 182712), (3310, 157596), (3426, 152260), (3972, 131330), (4568, 114195), (4965, 105064), (5710, 91356), (6620, 78798), (6852, 76130), (7613, 68520), (7944, 65665), (8565, 60904), (9930, 52532), (11420, 45678), (13133, 39720), (13240, 39399), (13704, 38065), (15226, 34260), (17130, 30452), (19860, 26266), (22839, 22840)]